Remove confusing keyboard test & focus on input device

chrome/browser/ui/webui/chromeos/login/oobe_display_chooser_unittest.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/chromeos/login/oobe_display_chooser.h"
 
 #include <memory>
+#include <vector>
 
 #include "ash/display/display_configuration_controller.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "base/run_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/display/display.h"
 #include "ui/display/display_observer.h"
+#include "ui/display/manager/chromeos/touchscreen_util.h"
 #include "ui/display/manager/display_manager.h"
 #include "ui/display/screen.h"
 #include "ui/display/test/display_manager_test_api.h"
+#include "ui/events/devices/device_data_manager.h"
+#include "ui/events/devices/touchscreen_device.h"
 
 namespace chromeos {
 
 namespace {
 
 class OobeDisplayChooserTest : public ash::test::AshTestBase {
  public:
   OobeDisplayChooserTest() : ash::test::AshTestBase() {}
 
-  void SetUp() override {
-    ash::test::AshTestBase::SetUp();
-    display_manager_test_api_.reset(
-        new display::test::DisplayManagerTestApi(display_manager()));
-  }
-
-  void EnableTouch(int64_t id) {
-    display_manager_test_api_->SetTouchSupport(
-        id, display::Display::TouchSupport::TOUCH_SUPPORT_AVAILABLE);
-  }
-
-  void DisableTouch(int64_t id) {
-    display_manager_test_api_->SetTouchSupport(
-        id, display::Display::TouchSupport::TOUCH_SUPPORT_UNAVAILABLE);
-  }
-
   int64_t GetPrimaryDisplay() {
     return display::Screen::GetScreen()->GetPrimaryDisplay().id();
   }
 
+  void UpdateTouchscreenDevices(const ui::TouchscreenDevice& touchscreen) {
+    std::vector<ui::TouchscreenDevice> vec{touchscreen};
+
+    ui::DeviceHotplugEventObserver* manager =
+        ui::DeviceDataManager::GetInstance();
+    manager->OnTouchscreenDevicesUpdated(vec);
+  }
+
  private:
-  std::unique_ptr<display::test::DisplayManagerTestApi>
-      display_manager_test_api_;
-
   DISALLOW_COPY_AND_ASSIGN(OobeDisplayChooserTest);
 };
 
 }  // namespace
 
 TEST_F(OobeDisplayChooserTest, PreferTouchAsPrimary) {
+  // Setup 2 displays, second one is intended to be a touch display
+  std::vector<display::ManagedDisplayInfo> display_info;
+  display_info.push_back(
+      display::ManagedDisplayInfo::CreateFromSpecWithID("0+0-3000x2000", 1));
+  display_info.push_back(
+      display::ManagedDisplayInfo::CreateFromSpecWithID("3000+0-800x600", 2));
+  display_manager()->OnNativeDisplaysChanged(display_info);
+  base::RunLoop().RunUntilIdle();
+
+  // Make sure the non-touch display is primary
+  ash::Shell::Get()->window_tree_host_manager()->SetPrimaryDisplayId(1);
+
+  // Setup corresponding TouchscreenDevice object
+  ui::TouchscreenDevice touchscreen =
+      ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
+                            "Touchscreen", gfx::Size(800, 600), 1);
+  touchscreen.vendor_id = 0x266e;
+  UpdateTouchscreenDevices(touchscreen);
+  base::RunLoop().RunUntilIdle();
+
+  // Associate touchscreen device with display
+  display_info[1].AddInputDevice(touchscreen.id);
+  display_info[1].set_touch_support(display::Display::TOUCH_SUPPORT_AVAILABLE);
+  display_manager()->OnNativeDisplaysChanged(display_info);
+  base::RunLoop().RunUntilIdle();
+
   OobeDisplayChooser display_chooser;
-
-  UpdateDisplay("3000x2000,800x600");
-  display::DisplayIdList ids = display_manager()->GetCurrentDisplayIdList();
-  DisableTouch(ids[0]);
-  EnableTouch(ids[1]);
-
-  EXPECT_EQ(ids[0], GetPrimaryDisplay());
+  EXPECT_EQ(1, GetPrimaryDisplay());
   display_chooser.TryToPlaceUiOnTouchDisplay();
   base::RunLoop().RunUntilIdle();
-
-  EXPECT_EQ(ids[1], GetPrimaryDisplay());
+  EXPECT_EQ(2, GetPrimaryDisplay());
 }
 
-TEST_F(OobeDisplayChooserTest, AddingSecondTouchDisplayShouldbeNOP) {
+TEST_F(OobeDisplayChooserTest, DontSwitchFromTouch) {
+  // Setup 2 displays, second one is intended to be a touch display
+  std::vector<display::ManagedDisplayInfo> display_info;
+  display_info.push_back(
+      display::ManagedDisplayInfo::CreateFromSpecWithID("0+0-3000x2000", 1));
+  display_info.push_back(
+      display::ManagedDisplayInfo::CreateFromSpecWithID("3000+0-800x600", 2));
+  display_info[0].set_touch_support(display::Display::TOUCH_SUPPORT_AVAILABLE);
+  display_manager()->OnNativeDisplaysChanged(display_info);
+  base::RunLoop().RunUntilIdle();
+
+  // Make sure the non-touch display is primary
+  ash::Shell::Get()->window_tree_host_manager()->SetPrimaryDisplayId(1);
+
+  // Setup corresponding TouchscreenDevice object
+  ui::TouchscreenDevice touchscreen =
+      ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL,
+                            "Touchscreen", gfx::Size(800, 600), 1);
+  touchscreen.vendor_id = 0x266e;

[jdufault, 2017/07/06 19:58:49]

Please extract into named constant (ideally shared with oobe_display_chooser.cc)

+  UpdateTouchscreenDevices(touchscreen);
+  base::RunLoop().RunUntilIdle();
+
+  // Associate touchscreen device with display
+  display_info[1].AddInputDevice(touchscreen.id);
+  display_info[1].set_touch_support(display::Display::TOUCH_SUPPORT_AVAILABLE);
+  display_manager()->OnNativeDisplaysChanged(display_info);
+  base::RunLoop().RunUntilIdle();
+
   OobeDisplayChooser display_chooser;
-
-  UpdateDisplay("3000x2000,800x600");
-  display::DisplayIdList ids = display_manager()->GetCurrentDisplayIdList();
-  EnableTouch(ids[0]);
-  EnableTouch(ids[1]);
-
-  EXPECT_EQ(ids[0], GetPrimaryDisplay());
+  EXPECT_EQ(1, GetPrimaryDisplay());
   display_chooser.TryToPlaceUiOnTouchDisplay();
   base::RunLoop().RunUntilIdle();
-
-  EXPECT_EQ(ids[0], GetPrimaryDisplay());
+  EXPECT_EQ(1, GetPrimaryDisplay());
 }
 
 }  // namespace chromeos